CONSORT diagram of Doppler Endoscopic Probe Randomized Controlled Trial.
* The specific reasons were ASA 5 or very poor prognosis – 30 day survival not expected including those without organ transplantation (176 patients), no consent for study including surrogate (110 patients), uncooperative, non-compliant, or unable to return for study follow-up (45 patients), refused to consent (32 patients), UGI malignancy (26 patients), hypotensive on pressors (17 patients), not severe enough hemorrhage (13 patients), did not meet entry criteria.